Mur-lok Quick Connect Fittings


Easy, reliable push-in fittings.

G.A. Murdock Mur-lok® fittings feature a unique dual o-ring design that withstands leaks longer than standard quick-connect fittings.

Mur-lok fittings are available in white or UV-resistant black.

Order by part number or by description. If you don't see the fitting you need, give us a call. Or it may be available in our selection of John Guest fittings

Threaded Fittings

Threaded Connectors

Common connector fitting for FNPT threaded ports. Used to add quick-connect fitting connections to any filter housing or component with a threaded port.

Part # qc002
White
1/4"
quick-connect
X
1/4"
male NPT
X
$1.80
Part # qc102
Black
1/4"
quick-connect
X
1/4"
male NPT
X
$2.20
Part # qc006
White
3/8"
quick-connect
X
3/8"
male NPT
X
$3.40
Part # qc106
Black
3/8"
quick-connect
X
3/8"
male NPT
X
$3.40
Threaded Reducers

Install into FNPT ports on filter housings or components. Used to convert an existing port size to a different quick-connect tube size.

Part # qc001
White
1/4"
quick-connect
X
1/8"
male NPT
X
$1.70
Part # qc101
Black
1/4"
quick-connect
X
1/8"
male NPT
X
$1.70
Part # qc004
White
3/8"
quick-connect
X
1/8"
male NPT
X
$3.90
Part # qc104
Black
3/8"
quick-connect
X
1/8"
male NPT
X
$3.90
Part # qc005
White
3/8"
quick-connect
X
1/4"
male NPT
X
$2.90
Part # qc105
Black
3/8"
quick-connect
X
1/4"
male NPT
X
$2.90
Threaded Expanders

Install into FNPT ports on filter housings or components. Used to convert an existing port size to a different quick-connect tube size.

Part # qc003
White
1/4"
quick-connect
X
3/8"
male NPT
X
$2.60
Part # qc103
Black
1/4"
quick-connect
X
3/8"
male NPT
X
$2.60
Threaded Elbows

Install into the FNPT port of any filter housing or component. Useful and widely used to add quick-connect fitting connections to existing systems and housings. Elbow fittings allow for tubing connections in confined spaces.

Part # qc033
White
1/4"
quick-connect
X
1/4"
male NPT
X
$3.00
Part # qc133
Black
1/4"
quick-connect
X
1/4"
male NPT
X
$3.00
Part # qc036
White
3/8"
quick-connect
X
3/8"
male NPT
X
$4.10
Part # qc136
Black
3/8"
quick-connect
X
3/8"
male NPT
X
$4.10
Threaded Elbow Reducers

Install directly into the FNPT ports of a filter housing. Used to reduce the tube size to a smaller threaded fitting size.

Part # qc032
White
1/4"
quick-connect
X
1/8"
male NPT
X
$2.70
Part # qc132
Black
1/4"
quick-connect
X
1/8"
male NPT
X
$2.70
Part # qc034
White
3/8"
quick-connect
X
1/4"
male NPT
X
$4.00
Part # qc134
Black
3/8"
quick-connect
X
1/4"
male NPT
X
$4.00
Threaded Elbow Expanders

Install directly into the FNPT ports of a filter housing. Used to expand the tube size to a larger threaded fitting size.

Part # qc035
White
1/4"
quick-connect
X
3/8"
male NPT
X
$4.00
Part # qc135
Black
1/4"
quick-connect
X
3/8"
male NPT
X
$4.00

Union Fittings

Union Connectors

Quick-connect fittings on both ends. Use to securely join two sections of tubing of the same size.

Part # qc009
White
1/4"
quick-connect
X
$2.70
Part # qc109
Black
1/4"
quick-connect
X
$2.70
Part # qc010
White
3/8"
quick-connect
X
$3.60
Part # qc110
Black
3/8"
quick-connect
X
$3.60
Union Elbows

Quick-connect fittings on both ends. Used to securely join two sections of tubing at a right angle.

Part # qc007
White
1/4"
quick-connect
X
$3.00
Part # qc107
Black
1/4"
quick-connect
X
$3.00
Part # qc008
White
3/8"
quick-connect
X
$4.60
Part # qc108
Black
3/8"
quick-connect
X
$4.60
Reducing Unions

Quick connect fittings on both ends. Used in a variety of applications to change an existing tube up or down in size.

Part # qc018
White
3/8"
quick-connect
X
1/4"
quick-connect
X
$3.60
Part # qc118
Black
3/8"
quick-connect
X
1/4"
quick-connect
X
$3.60
Part # qc019
White
1/2"
quick-connect
X
3/8"
quick-connect
X
$5.90
Part # qc119
Black
1/2"
quick-connect
X
3/8"
quick-connect
X
$5.90

Union Fittings

Union Tees

Quick-connect fittings on all three sides. Used to join three sections of the same sized tubing. Useful for adding extra storage tanks. Splitting outputs to multiple locations. Adding sample ports and bypasses.

Part # qc011
White
1/4"
quick-connect
X
$3.80
Part # qc111
Black
1/4"
quick-connect
X
$3.80
Part # qc012
White
3/8"
quick-connect
X
$4.60
Part # qc112
Black
3/8"
quick-connect
X
$4.60
Part # qc013
White
1/2"
quick-connect
X
$5.80
Part # qc113
Black
1/2"
quick-connect
X
$5.80
Reducing Tees

Useful for sample ports, or any application where a tubing size change is needed.

Part # qc016
White
3/8"
quick-connect
X
3/8"
quick-connect
X
1/4"
quick-connect
X
$6.10
Part # qc116
Black
3/8"
quick-connect
X
3/8"
quick-connect
X
1/4"
quick-connect
X
$6.10

Stem Fittings

Stem Reducers

Used to convert an existing quick-connect fitting to a different sized quick-connect. The stem side should be sized for the existing fitting, the quick connect portion for the new tubing size.

Part # qc017
White
1/4"
quick-connect
X
3/8"
stem fitting
X
$2.90
Part # qc117
Black
1/4"
quick-connect
X
3/8"
stem fitting
X
$2.90
Plug In Elbows

The stem of the plug-in elbow connects to an existing quick connect fitting. These are useful to provide a swivel connection where an existing quick-connect is already installed.

Part # qc022
White
1/4"
quick-connect
X
1/4"
stem fitting
X
$2.70
Part # qc122
Black
1/4"
quick-connect
X
1/4"
stem fitting
X
$2.70
Part # qc024
White
3/8"
quick-connect
X
3/8"
stem fitting
X
$4.60
Part # qc124
Black
3/8"
quick-connect
X
3/8"
stem fitting
X
$4.60

Plugs

Stem Plugs

Stem plugs can be inserted into an existing quick connect fitting as a water tight plug or termination.

Part # qc020
White
1/4"
stem fitting
X
$0.75
Part # qc021
White
3/8"
stem fitting
X
$1.25

Refrigerator/Faucet Fittings

(Connects tube to standard ledge faucet or refrigerator.)

Refrigerator / Faucet Fittings

Quick connect fitting adapter with the common 7/16" female thread. Compatible with 1/4" male compression threads found on most refrigerator water supply lines and RO faucet stem threads.

Part # qc026
White
1/4"
quick-connect
X
7/16"
female UNS
X
$3.60
Part # qc027
White
3/8"
quick-connect
X
7/16"
female UNS
X
$4.00

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